[INFO] cloning repository https://github.com/mansdahlstrom1/hello_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mansdahlstrom1/hello_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmansdahlstrom1%2Fhello_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmansdahlstrom1%2Fhello_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2a2ef9992f5ff89d23659596107a4c9f57fad106
[INFO] checking mansdahlstrom1/hello_rust against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmansdahlstrom1%2Fhello_rust" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mansdahlstrom1/hello_rust on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mansdahlstrom1/hello_rust
[INFO] finished tweaking git repo https://github.com/mansdahlstrom1/hello_rust
[INFO] tweaked toml for git repo https://github.com/mansdahlstrom1/hello_rust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/mansdahlstrom1/hello_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc155562e68865edce9728e88b8abb0f3d8d9cfa2f714bd64864fab77a596db1
[INFO] running `Command { std: "docker" "start" "-a" "cc155562e68865edce9728e88b8abb0f3d8d9cfa2f714bd64864fab77a596db1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc155562e68865edce9728e88b8abb0f3d8d9cfa2f714bd64864fab77a596db1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc155562e68865edce9728e88b8abb0f3d8d9cfa2f714bd64864fab77a596db1", kill_on_drop: false }`
[INFO] [stdout] cc155562e68865edce9728e88b8abb0f3d8d9cfa2f714bd64864fab77a596db1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21b46186a3118c166e15b6230924c1d19555d128fd1bb4301a08a46ea657638a
[INFO] running `Command { std: "docker" "start" "-a" "21b46186a3118c166e15b6230924c1d19555d128fd1bb4301a08a46ea657638a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking hello_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `email`
[INFO] [stdout]  --> src/structs.rs:2:3
[INFO] [stdout]   |
[INFO] [stdout] 2 |   email: String,
[INFO] [stdout]   |   ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `first_name`
[INFO] [stdout]  --> src/structs.rs:3:3
[INFO] [stdout]   |
[INFO] [stdout] 3 |   first_name: String,
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `guessingGame` should have a snake case name
[INFO] [stdout]   --> src/main.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut guessingGame = GuessingGame {
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `guessing_game`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `email`
[INFO] [stdout]  --> src/structs.rs:2:3
[INFO] [stdout]   |
[INFO] [stdout] 2 |   email: String,
[INFO] [stdout]   |   ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `first_name`
[INFO] [stdout]  --> src/structs.rs:3:3
[INFO] [stdout]   |
[INFO] [stdout] 3 |   first_name: String,
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `guessingGame` should have a snake case name
[INFO] [stdout]   --> src/main.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut guessingGame = GuessingGame {
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `guessing_game`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.18s
[INFO] running `Command { std: "docker" "inspect" "21b46186a3118c166e15b6230924c1d19555d128fd1bb4301a08a46ea657638a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21b46186a3118c166e15b6230924c1d19555d128fd1bb4301a08a46ea657638a", kill_on_drop: false }`
[INFO] [stdout] 21b46186a3118c166e15b6230924c1d19555d128fd1bb4301a08a46ea657638a